138878899 is an odd 9-digits composite number following 138878898
and preceding 138878900 . In scientific notation, it is written as 1.38878899 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 125018432 positive integers (up to 138878899) that are relatively prime to 138878899.
138878899 has 8 divisors, whose sum is 145297152
The reverse of 138878899 is 998878831
Previous prime number is 391
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
one hundred thirty-eight million eight hundred seventy-eight thousand eight hundred ninety-nine
Scientific notation
1.38878899 × 10^8
Engineering notation
1.38878899 × 10^6
Prime Factorization
23 × 391 × 15443
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138878899
Product of the distinct prime numbers
The prime factorization of 138878899 is 23 × 391 × 15443.
Since it has a total of 3 prime factors.
10 , 7 , 3 , 38 , 711 , 633 , 141 , 4900 , 36278 , 60656 , 247988 , 872153 , 301328 , 4349747 , 97067564 , 32855857 , 930019561 , 638545982 , 2512814486 , 7748410693
n×2
277757798
n×3
416636697
n×4
555515596
n×5
694394495
n÷2
69439449.5
n÷3
46292966.333333
n÷3
34719724.75
n÷5
27775779.8
n2
19287348587452201
n3
2.6786057364546E+24
n4
3.7200181553389E+32
n5
5.1663202567348E+40
2 √n
11784.689177064
3 √n
517.85966766495
4 √n
108.55730826187
5 √n
42.513538418509
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138878898
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138878899 can be divided by 8 positive divisors.
The sum of these divisors (counting 138878899) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001110001111110110011
3
Ternary
100200022210000221
4
Quaternary
20101301332303
5
Quinary
241023111044
6
Senary
21440353511
8
Octal
1021617663
10
Decimal
138878899
12
Duodecimal
3a615897
16
Hexadecimal
8471fb3
20
Vigesimal
237jh4j
36
Base36
2aonn7
md5
4ef62892bce9bdb584a9000ab4f86b61
sha1
9cf3b52a727f55727547d4410472189e8c1688e3
sha256
a3e253c9bda24bc0032552daca361fa2ae3cdfa02ee6971aa6333f10c54d4771
sha512
e21c7bbe26e911d96424332cbdc30acd200db4a143ae789277b049be13427273420371c8f6c4c96120995a37838abaf7edeb512a6daffe7cb2b0432420e883b6
ripemd-160
e7bf180c7804f676b8c6c766a20adde2167e97c7
Diameter
277757798
Circumference
872601857.67408
Area
6.0592992629565E+16
Volume
1.1220117471346E+25
Surface area
2.4237197051826E+17
Circumference
872601857.67408
Perimeter
555515596
Area
19287348587452201
Diagonal
196404422.49324
Surface area
115724091524713206
Volume
2.6786057364546E+24
Space diagonal
240545309.16723
Perimeter
416636697
Area
8.3516669241898E+15
Altitude
120272654.58361
Surface area
8.3516669241898E+15
Volume
3.1567671339537E+23
Height
65468140.831081